2019428008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1\times {\mathrm{557}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 4150984320

約数和(自身を除く): 2131556312

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 491, 557, 568, 923, 982, 1114, 1846, 1964, 2228, 3692, 3928, 4456, 6383, 7241, 7384, 12766, 14482, 25532, 28964, 34861, 39547, 51064, 57928, 69722, 79094, 139444, 158188, 273487, 278888, 316376, 453193, 514111, 546974, 906386, 1028222, 1093948, 1812772, 2056444, 2187896, 3555331, 3625544, 4112888, 7110662, 14221324, 19417577, 28442648, 38835154, 77670308, 155340616, 252428501, 504857002, 1009714004, 2019428008]

約数ペア:

[(1, 2019428008), (2, 1009714004), (4, 504857002), (8, 252428501), (13, 155340616), (26, 77670308), (52, 38835154), (71, 28442648), (104, 19417577), (142, 14221324), (284, 7110662), (491, 4112888), (557, 3625544), (568, 3555331), (923, 2187896), (982, 2056444), (1114, 1812772), (1846, 1093948), (1964, 1028222), (2228, 906386), (3692, 546974), (3928, 514111), (4456, 453193), (6383, 316376), (7241, 278888), (7384, 273487), (12766, 158188), (14482, 139444), (25532, 79094), (28964, 69722), (34861, 57928), (39547, 51064)]